EP0571389B1 - Appareil pour le soin des cheveux - Google Patents

Appareil pour le soin des cheveux Download PDF

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Publication number
EP0571389B1
EP0571389B1 EP92900111A EP92900111A EP0571389B1 EP 0571389 B1 EP0571389 B1 EP 0571389B1 EP 92900111 A EP92900111 A EP 92900111A EP 92900111 A EP92900111 A EP 92900111A EP 0571389 B1 EP0571389 B1 EP 0571389B1
Authority
EP
European Patent Office
Prior art keywords
webs
winding structure
web
longitudinal
winding body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92900111A
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German (de)
English (en)
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EP0571389A1 (fr
Inventor
Karl-Heinz Lange
Manfred MAILÄNDER
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Braun GmbH
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Braun GmbH
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Filing date
Publication date
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Publication of EP0571389A1 publication Critical patent/EP0571389A1/fr
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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/18—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with combs
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/12—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers
    • A45D2/24—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers of multi-part type, e.g. with sliding parts other than for fastening
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/48—Hair-drying combs or hair-drying brushes, with internal heating means
    • A45D20/50—Hair-drying combs or hair-drying brushes, with internal heating means and provision for an air stream

Definitions

  • the invention relates to the general field of hair care devices, which means devices or additional devices for shaping and drying the scalp hair of the user.
  • the group of hair care devices includes, for example, hair dryers, round stylers, warm air drying hoods, warm air dry brushes, electricity-independent, gas-operated curling irons or curling brushes as well as electrically operated curling irons or curling brushes.
  • Additional devices are, for example, attachments for hair dryers and hot air brushes, such as diffusers, additional brushes with air flow through them, each with a different diameter, or curlers, which can be designed to be heated, for example, by means of warm air or by means of a separate standing device.
  • the invention is based on a winding body for hair care with a carrier element on which means are provided for guiding a plurality of webs arranged about a longitudinal axis of the carrier element, the webs being able to be brought into different positions by means of adjusting means in order to form a body with a different outside diameter.
  • the electric steam styling rod of DE 25 29 026 A1 has a hollow cylindrical winding body with a plurality of semicircular tube segments which are rotatably arranged on the outer wall of the heating tube as spreading lamellae.
  • the slats should not be designed as short circular arc sections, but should be semicircular in the optimal solution, ie bent by 180 °.
  • FIGS. 1 and 2 of this laid-open document shows, there is a form-fitting contact of adjacent slats in every positioning, that means not possible with all adjustable diameters of the winding body. Due to an incorrect drawing, the lamellae of FIG.
  • the known winding body has a closed shape for each diameter.
  • This winding body is not suitable for use as a brush with hot air.
  • the known winding body does not achieve a particularly good approximation to a circular cross section - for any diameter.
  • This known embodiment has only a low stability with respect to radially acting forces, such as those which occur in practice when rolling up and shaping hair. A deformation of the winding body during use represents a significant impairment of the value in use.
  • the hair curler of US 3,583,409 A consists of several circular segments which are connected via lever arms to an axially displaceable carrier element arranged inside. Due to the special arrangement, an axial movement of the carrier element causes a radial movement of the individual segments. Although this arrangement may be appropriate for hair curlers, it is unsuitable for other applications, for example as an air-flow attachment for warm air dry brushes and the like. On the one hand, the actuation of this spreading mechanism requires free access to the inside of the hair curler, on the other hand, the axially displaceable carrier element and the lever arms represent a considerable flow resistance in the case of air-flowed brushes, so that their effectiveness drops.
  • this hair curler due to the structural design of this hair curler, there are more or less large slots between the individual segments depending on the set diameter, which are in any case extremely disadvantageous for air-flowed brushes, since the amount of air emerging from the air-flowed brush is essentially independent should be of the set diameter of the winding body.
  • the inner wall of the hair curler of the known US patent can be covered by an elastic layer so that the slits between the individual segments are closed, this elastic layer poses problems in terms of durability due to the high demands on the extensibility with different diameters .
  • the known hair curler can only be set in two stable positions of different diameters. A continuous or quasi-continuous setting of intermediate positions is not possible.
  • a hair dryer is known as a curling iron with a roller-shaped area, which is composed of an inner part and an outer part consisting of segments.
  • knob-shaped projections are provided on the surface of the inner part and through openings for the knob-shaped projections and blower openings in the inner and outer parts are provided in the outer part.
  • the outer part can be moved in the radial direction by a drive part, so that the diameter of the roller-shaped region can be varied.
  • the invention has for its object to provide a winding body which is also suitable for use in warm air devices, for example as a curling brush.
  • the winding body should be structurally simple to manufacture in large series, in particular made of injection molded parts, have sufficient stability, in particular in the radial direction, even with larger axial dimensions, and a shape that is closed for each diameter and approximated to a circular cylinder jacket.
  • This object is achieved by a winding body with the features mentioned in the introduction, in which each web has a recess over its longitudinal extent, with which the sections of an adjacent web are positively connected in each positioning of the webs.
  • This measure advantageously ensures a closed shape of the winding body for each diameter, and sufficient stability is also provided by the positive connection of adjacent webs.
  • the form-fitting connection of the webs of the winding body provides the prerequisite for the winding body to have an at least approximately circular-cylindrical outer jacket for each diameter through appropriate profiling and shaping of the webs.
  • each web in the region of a central section has a pin on the edge, which engages in each case a guide curve of the actuating means, which in turn is fixed rotatably on the carrier element, ensures extremely simple adjustability of the webs for setting different diameters of the winding body.
  • a particularly advantageous embodiment of the known winding body which is already suitable in itself for solving the stability problems of known winding bodies, consists in that each web is axially displaceable by a dimension A with respect to the longitudinal axis of the carrier element. This makes it possible to support each web by means of additional measures with regard to forces acting radially from the outside on the winding former.
  • the individual webs are moved axially from a radial direction acting positive connection solved to be pivoted into a position of a different diameter. After the swiveling process has ended, the webs are returned to the axial starting position and again held in a form-fitting manner by means for radial support.
  • a particularly advantageous embodiment of these means for the radial support of the webs consists in axially fixing the webs to the actuating means via latching means.
  • the webs are rotated by means of axial displacement and subsequent rotation of the actuating means.
  • the adjusting means are provided on one end on the support element and support means for radially fixing the webs on the other end on the support element, the webs are positively fixed at both ends in the radial direction for each diameter of the winding body, whereby the stability of the winding body is increased in an extremely advantageous manner.
  • a particularly advantageous embodiment of the support means consists in providing a toothing arranged in the radial direction on each web, which toothing engages in an edge of a tube region.
  • each web consists of three longitudinal strips arranged essentially in an arc shape with respect to one another, which are connected to one another by transverse webs.
  • this creates the possibility of a specific profiling of the webs, which allows the winding body to have an essentially circular-cylindrical outer jacket for each diameter.
  • the carrier element has a tubular section with peripheral openings which cooperate with openings formed between the crosspieces for the purpose of air outlet.
  • each web is supported on an adjacent web over the entire longitudinal extent, which leads to an unexpectedly high stability of the entire winding body.
  • this measure prevents hot air, which may flow through the winding body, from flowing out to a greater extent through gaps which otherwise occur in the case of larger diameters of the winding body between the webs.
  • the warm air flowing through the winding body can only exit for any diameter of the winding body through the openings, which are optionally provided between the transverse webs. This measure already largely ensures that the flow resistance of a winding body designed as a hot air brush remains approximately constant for each diameter.
  • the underside of one longitudinal bar advantageously has an adaptation to the profile of the upper side of the further longitudinal bar. This ensures that adjacent webs can lie flush against one another in the case of setting small or the smallest diameter of the winding body. It is advantageous in terms of stability that a longitudinal edge of the further longitudinal bar is supported on the outer jacket of the tubular section in every position of the webs.
  • the longitudinal strips slide more and more in front of the openings in the tubular section, so that the flow resistance for the warm air emerging from the winding body increases to a certain extent.
  • This measure ensures in an extremely advantageous manner that the air throughput through the winding body is essentially unaffected by the respectively set diameter of the winding body.
  • the drying capacity of a warm air device equipped with such a winding body for hair care is therefore largely independent of the diameter of the winding body set in each case and, if available, can be precisely used with the switching means provided on the device to vary the speed of a fan motor and to vary the output of an electric or gas-operated heating system can be set.
  • the adjusting means has two-dimensional guide curves which run spirally in a plane perpendicular to the central longitudinal axis.
  • the measure proves to be extremely advantageous in a winding body with the known features to accommodate the webs at both ends of the carrier element in thrust guides, the webs being positively guided with respect to the longitudinal center axis both in the radial and in the axial direction as a result of the actuation of an actuating means.
  • a structurally particularly simple, extremely stable winding body is specified.
  • the design of the carrier element and the injection molding tools required for its production are simplified.
  • the thrust guides are advantageously designed as chambers in which sections of the Bridges are positively guided.
  • the guide of the webs is at an acute angle, in particular at an angle between 10 ° and 80 °, preferably at an angle of about 45 ° the longitudinal central axis takes place.
  • the webs are not only moved in the radial direction with respect to the central longitudinal axis of the carrier element, but also in the axial direction when a changed diameter of the winding body is set.
  • the webs are guided at least in sections on an inclined plane, which serves as an abutment with regard to radially acting external loads when using the winding former.
  • inclined surfaces or bottoms are formed on both ends of the carrier element, on which guide surfaces of the webs are supported with corresponding bevels.
  • the individual webs can also be extremely advantageously supported in that further inclined surfaces are formed on the tubular section of the carrier element, which correspond to correspondingly shaped guide surfaces of the webs.
  • further inclined surfaces can be formed on the tubular section, which serve to additionally support the webs in any positioning of the webs of the winding body. This measure creates a particularly stable winding body, yet the interior of the winding body is free of further components, so that, for example, air or warm air can flow freely into the winding body.
  • the actuating means has three-dimensional guide curves which spiral in a plane perpendicular to the central longitudinal axis and increase helically with respect to the longitudinal central axis in the axial direction, gives a particularly advantageous embodiment of the guide curves of the actuating means. Since the pitch of the screw line and the pitch of the spiral are matched to the inclined guidance of the bars, the individual bars can be extremely safely move it into the desired position with practically no major effort.
  • the actuating means has a frustoconical recess on the guide curve side, which is rotatably supported flatly on webs of corresponding incline on the carrier element, indicates a particularly advantageous mounting of the actuating means on the carrier element.
  • pegs at one end of the webs has proven to be extremely advantageous and already suitable for the known winding bodies, the pegs each engaging in a guide curve of the actuating means, so that the webs as a result of the actuation of the actuating means in both radial and axial directions Direction with respect to the longitudinal central axis are positively guided. Due to the mobility of the webs in the axial direction, they can be supported or secured on inclined planes or similar means for any diameter of the winding body with regard to radial, external stress.
  • each web consists of two longitudinal strips, which are connected to one another by transverse webs, advantageously ensures that the webs form a closed jacket of approximately circular cylindrical shape for each diameter of the winding body. Through these openings provided between the crosspieces, warm air entering the winding body can also exit from the latter.
  • the carrier element or a tubular section of the same is advantageously provided with circumferential openings which cooperate with openings formed between the transverse webs.
  • the fact that the crosspieces have bristle-shaped extensions means that the winding body can be used as a brush or warm air brush with variable diameter guaranteed.
  • the measure of providing a longitudinal bar of the web with a groove-shaped recess, in which at least portions of a further longitudinal bar of an adjacent web engage in a form-fitting manner in each radial positioning of the webs, has proven to be particularly advantageous.
  • this increases the stability of the entire winding body, since each web is supported on or in or on an adjacent web, on the other hand, this prevents air or warm air introduced into the winding body from escaping through any gaps between the individual webs.
  • the hot air can only flow out through the openings provided between the transverse webs of the individual webs, so that the air throughput through the winding body to which hot air is applied remains essentially constant irrespective of the respectively set diameter.
  • a particularly advantageous embodiment which is characterized by its simple construction, consists in that the longitudinal bar has at least one axial section in a groove-shaped recess, the bottom of which forms an inclined plane, and is form-fitting on a corresponding inclined plane or inclined surface Bridge is supported on the support element.
  • the individual webs can also be advantageously guided and supported on the carrier element outside the end sections.
  • the actuating means is secured by means of a cap and spring arms formed therein on the support body by clipping results in a particularly simple assembly of the winding body. It is also an advantage to have a central recess to arrange the cap a button which causes the expansion of a spring element which engages in an annular groove of a mushroom-shaped area of the support body. This measure provides a simple, releasable coupling between the winding body and the support body. The winding body can thus be easily removed from the carrier body, for example for the purpose of cleaning or for exchange with another winding body, by simply pressing the button.
  • This winding body with a variably adjustable diameter is advantageously used as a hair curler, attachment brush of a warm air hair care device or hair treatment section of an electrically or gas-operated curling iron.
  • a known warm air powered hair care device for which the winding body described below is advantageously used as an attachment.
  • the warm air device has two housing parts 62, which house a motor 66 and a heater 64 for generating warm air.
  • the electrically operated units can be connected to the power supply via a mains cable 68.
  • the connection of the power cable 68 to the housing is made rotatable via contacts 74.
  • a voltage selector 78 allows the device to be used on power supply networks with different voltages.
  • a switch 82 provided in the housing can be actuated by means of a switch slide 84, so that the device can be handled in different operating states.
  • the housing parts 62 comprise a cylindrical extension of a mandrel 10 which projects out of the housing on the head side.
  • a coupling ring 72 which is under the tension of a compression spring 76, is arranged at the foot of the mandrel.
  • the mandrel 10 is used for rotatably mounting a brush 85 which is axially secured to the mandrel 10 by means of a button 50.
  • the motor 66 drives a fan wheel (not shown), so that an air flow arises which can be heated by the heater 64. At the base of the mandrel 10, this air flow exits through openings provided there and flows through the brush 85.
  • the brush 85 can be unlocked by means of the coupling ring 72 and can be freely rotated on the mandrel 10 for easier handling.
  • the knob 50 can be removed by rotation.
  • the brush 85 can optionally be cleaned or exchanged for a further brush 85 of a different diameter to form smaller or larger curls.
  • FIGS. 2 to 8 show a first embodiment of a winding body with a variable diameter in different views.
  • the winding body is placed on the mandrel 10 of the warm air care device and fixed to a mushroom-shaped area 52 of the mandrel 10 by means of an expansion spring 53.
  • This spreading spring 53 can be opened by means of bevels 40 formed on the button 50, so that the winding body can be removed from the mandrel 10.
  • the button 50 is axially displaceably mounted in a cap 30.
  • the bevels 40 of the button 50 end in two guide webs 60, which are guided in grooves 70 (FIG. 5) of a carrier element 80.
  • the winding body consists of the carrier element 80, on the head side of which a flange 17 is formed.
  • the flange 17 serves for the rotatable mounting of the webs 13, which are optionally provided with molded bristles 16.
  • the mounting of the webs 13 is formed by integrally formed pins 18, 19 which interact with regions 21 on the flange 17 in the form of segments of a circle.
  • This storage is completed by lugs 26 molded onto the pin 18, which cooperate with a groove 27 running around a cup-shaped inner wall of the adjusting means 23 designed as an adjusting ring.
  • a multi-spline profile 22 (FIGS. 2, 3) is attached above the flange 17 and cooperates with a corresponding profile on the adjusting means 23.
  • the actuating means 23 has on its side facing the webs 13 corresponding to their number of guide curves 24, in which the webs 13 are guided via pins 25 (FIG. 4) or steering arms formed on the end.
  • the pins 18, 19 of the webs 13 are increased by the dimension A compared to the circular segment-shaped regions 21 of the flange 17.
  • the webs 13 are positively connected in the axial direction to the actuating means 23 and can together with this the dimension A can be shifted in the axial direction. If the actuating means 23 is displaced against the action of a spring 28, the profile 22 decouples. The actuating means 23 can now be rotated as far as the guide curves 24 with respect to the pins allow.
  • a plurality of openings 15 are provided on the circumferential side, from which hot air can possibly escape.
  • the winding body is arranged concentrically with a central longitudinal axis 112 of the mandrel 10. According to FIG. 3, the winding body is surrounded by a tubular region 49 at the end facing the housing part 62. At the end of the tubular region 49 facing away from the winding body, the latter has an end toothing 42 which interacts with a corresponding toothing on the housing and serves to secure the winding body against rotation (corresponding to the coupling ring 72).
  • the tubular area 49 is used, where appropriate, for the air flow of the warm air flow into the winding body and for the support of the webs 13 at the end facing away from the open bearing pans (pins 18, 19, area 21).
  • integrally molded, torpedo-shaped bearings 12 for the webs 13 are connected to the tubular region 49 via webs 11.
  • the journal bearings 12 merge in one piece with the central longitudinal axis 112 into the tubular section 14, which extends into the head region of the winding body.
  • the torpedo-shaped bearings 12 receive pins 46 of the webs 13, the pins 46 being integrally formed on small steering arms of the webs 13.
  • the adjusting means 23 is displaced against the action of the spring 28, so that the profile 22 decouples.
  • the adjusting ring 23 can be rotated insofar as the guide curves 24 with respect to the pins 25 permit this.
  • the division of the profile 22 is chosen so that several re-entry options for the profile 22 are available within the mentioned range of rotation are. In this way, the desired different bobbin diameters can be determined.
  • the axially displaceability of the webs 13 and the actuating means 23 allows the webs 13 to be supported on the side facing away from the actuating means 23 also against radial stress. This is accomplished with the help of a toothing 29 (FIGS.
  • the mounting of the webs 13 in the head-side region of the winding body is further illustrated by the illustration in FIG. 5, in the right part of which the adjusting means 23 is not shown.
  • the open pan bearing which is particularly suitable for plug-in assembly of the webs 13, is formed by the pins 18 and 19 formed on the strips and the region 21 in the form of a segment of a circle on the flange 17.
  • the pins 18 and 19 receive additional guidance in that they rest on the annular inner wall of a pot-shaped recess in the adjusting means 23 or in a groove 27 provided there.
  • the pins 25 are guided in the guide curves 24 (left side of FIG. 5), so that rotation of the adjusting means 23 also causes the webs 13 to rotate 7 and 8 apparent axis of rotation 20 leads.
  • FIGS. 7, 8 show the cross-sectional profile of the individual webs 13 and the arrangement of these webs 13 with respect to the carrier element 80.
  • the webs 13 consist of a first longitudinal bar 32 which is connected to a second longitudinal bar 34 via numerous transverse webs 33. Air outlet openings are provided between the transverse webs 33, which correspond to the openings 15 provided on the tubular section 14 of the carrier element 80.
  • the underside 35 of the second longitudinal bar 34 has a shape such that, with the smallest adjustable diameter of the winding body, this underside 35 bears positively on the top of the first longitudinal bar 32.
  • the outer side 36 is curved, so that there is an in particular convex recess 39 over the entire extent of the second longitudinal bar.
  • This second longitudinal bar 34 is followed by further transverse webs 51, which can be provided with bristles 16 in whole or in part.
  • These crossbars 51 establish the connection with the second longitudinal bar 34 with a third longitudinal bar 37, openings between the cross bars 51 preferably again being provided which correspond to the openings between the cross bars 33 and the openings 15.
  • the longitudinal strips 32, 34 and 37 are arranged at an obtuse angle to one another, so that each individual web 13, consisting of the longitudinal strips 32, 34 and 37 and the transverse webs 33 and 51 provided between them, takes on an approximately circular shape.
  • the shape of the recess 39 is particularly advantageously designed in such a way that a front edge 38 of the longitudinal bar 37 for each diameter of the winding body rests positively on the outside 36 of the recess 39.
  • the axis of rotation 20 of the webs 13 is offset somewhat radially outward outside the longitudinal bar 32 means, on the one hand, that the webs 13 are constantly supported on the tubular section 14 with the longitudinal edge 41 of the longitudinal bar 32 in every rotational position.
  • this measure of positioning the axis of rotation 20 outside the profile of the webs 13 ensures that the bristles 16 are aligned at least approximately radially with respect to the central longitudinal axis 112 in each rotational position of the webs.
  • each web 13 is shaped such that, regardless of the respective rotational position of the webs 13, on the one hand positive engagement between the longitudinal bar 32 and the tubular section 14 and on the other hand positive engagement between a front edge 38 of the longitudinal ledge 37 and the outside 36 of the recess 39 of an adjacent web 13.
  • This provides a very stable winding body which is extremely resistant to radial loads.
  • Another criterion for the design of the recesses 39 is that, in the case of the smallest set diameter of the winding body, the longitudinal bar 37 of an adjacent web 13 takes up virtually completely, in such a way that the outer jacket of the Winding body, apart from the bristles 16, takes on a practically circular shape.
  • the openings between the crosspieces 33 and 51 come with the openings 15 in the tubular section 14 of the carrier element 80 in the case of the smallest set diameter of the winding body practically to cover, so that in this setting the lowest flow resistance for from the inside of the tubular section 14 through Warm air flowing out of openings exists. If the diameter of the winding body is increased by rotation of the adjusting means 23, the longitudinal bar 32 is partially pushed between the openings 15 of the tubular section 14 and the opening between the transverse webs 51. As practical tests have shown, this measure surprisingly ensures this that the air throughput through the openings of the winding body is almost independent of the respectively set diameter of the winding body.
  • the longitudinal bar 37 also acts in a similar manner and, when the diameter is increased, is partially pushed in front of the opening between the transverse webs 33.
  • the outer casing of the winding body also takes on an approximately circular shape for the largest adjustable diameter, provided that the indentations in the region of the cutouts 39 are disregarded.
  • the axis of rotation 20 is fixed for an average diameter of the winding body in such a way that the connecting line between the axis of rotation 20 and the central longitudinal axis 112 forms an approximately right angle to the bristle axis 122.
  • the bristles 16 protrude largely radially from the brush 85, regardless of the respective diameter of the winding body.
  • this construction of the winding body creates an extremely stable, resilient structure, the diameter of which can be varied.
  • the length of the bristles 16 and their radial position with respect to the central longitudinal axis 112 of the winding body are largely independent of the setting of the respective diameter of the winding body. If the bobbin is used as a brush with hot air flowing through it, the air throughput and thus the temperature are essentially independent of the respectively set diameter.
  • the individual webs 13, which overlap each other in every rotational position, are mounted parallel to the central longitudinal axis 112 and, for the different diameters, essentially form circular surfaces so that the deviation from the ideal circular shape is minimized.
  • the entire winding body is designed in such a way that it can only be assembled via snap connections and the individual parts can be produced in large series by injection molding.
  • FIGS. 9 to 15 A further exemplary embodiment of the winding former according to the invention is shown in FIGS. 9 to 15, parts comparable to the first exemplary embodiment being provided with identical reference numerals. Only the differences from the first exemplary embodiment are explained in more detail below.
  • the actuating means 23 in the present case has three-dimensional guide curves 24.
  • the guide curves 24 run on the one hand spirally in a plane perpendicular to the central longitudinal axis 112.
  • the guide curves 24 take the form of Archimedean spirals.
  • the guide curves 24 or their bottom surfaces 56 have a helical course in the axial direction (central longitudinal axis 112), the slope of the guide curves 24 in the radial and axial directions being chosen to be the same in the present exemplary embodiment has been.
  • the guides of the webs 13 having to be adapted accordingly.
  • a peg 25 formed on the webs 13 is guided in the guide curve 24 on a path which runs on a conical jacket which is concentric with the central longitudinal axis 112 and whose surface line forms an angle of in particular 45 ° with the central longitudinal axis 112.
  • Guide surfaces 95, 96 and 97 formed on the webs 13 also have the same angle to the central longitudinal axis 112. These guide surfaces 95, 96 and 97 on each web 13 act together with corresponding inclined surfaces 98, 99 and a bottom 94, which in turn are molded onto the carrier element 80. These inclined surfaces 98, 99 or the bottom 94 likewise form an angle of approximately 45 ° with respect to the central longitudinal axis 112. To adjust the diameter of the winding body, the adjusting means 23 is rotated, which can be locked in different positions by means of a locking ball 54.
  • each web 13 is supported in three regions, namely the two end regions and in the central region, against forces acting radially from the outside on the winding former.
  • the middle support section can be omitted or supplemented by further support sections.
  • the adjusting means 23 has a frustoconical, central recess 114, in the inner surface of which the guide curves 24 are introduced.
  • the outer surface of the recess 114 interacts with webs 110 which are molded onto the carrier element 80.
  • These webs 110 have one of the slopes of the conical surface of the Recess 114 corresponding slope and serve on the one hand for supporting and rotatable mounting of the actuating means 23, on the other hand, the webs 110 form pairs 92 in which the webs 13 or parts of the molded pin 25 in the radial direction, as can be seen for example from Fig. 13 , are led.
  • the individual webs 13 are driven in the radial and axial directions and move on a path which forms an angle of approximately 45 ° with respect to the central longitudinal axis 112.
  • the angle of 45 ° can of course also be varied in a range between 10 and 80 ° according to individual requirements. If a smaller diameter of the winding body is set, the force acting from the guide curves 24 on the pins 25 radially inwards to the central longitudinal axis 112 causes the webs 13 with the corresponding guide surfaces 95, 96 and 97 to slide inwards at an angle and thus also to the bottom surface follow 56 of the guide curves 24.
  • the support of the webs 13 in the central section of the carrier element 80 or its tubular section 14 can be seen in particular from FIG. 12.
  • Beneath the guide surfaces 96 attached to each web 13 in this section and extending at an angle to the central longitudinal axis 112 is an inclined surface 99 formed on the tubular section 14, on which the web 13 slides or is pushed up on an inclined plane when the diameter of the winding body changes .
  • This inclined plane provides support for the webs 13 in the central region for each diameter of the winding body with regard to forces acting on the webs 13 from the outside for each set diameter of the winding body.
  • the carrier element 80 At the base of the winding body, the carrier element 80, as can be seen in particular from FIGS.
  • each chamber 90 is formed by two side walls 44 formed on the carrier element 80.
  • the Crosspieces 13 have end sections which are provided with guide surfaces 97 which are guided in the chambers 90.
  • the ends of the webs 13 have lugs 86 (see FIG. 11) which protrude at an angle in the region of the guide surface 97 and are gripped by a section 88 on the tubular region 49.
  • a channel 116 is formed between the bottom 94 of the carrier element 80 and the section 88 of the tube region 49, in which the nose 86 of the webs 13 is guided in a form-fitting manner on an approximately 45 ° inclined path.
  • small angled pins 58 of the tube area 49 secure the latter to the carrier element 80 in that the pins 58 cooperate with grooves 59.
  • the individual webs 13 have the profiling shown in FIG. 12 and FIG. 14.
  • a first longitudinal bar 102 is connected to a second longitudinal bar 106 via transverse webs 118, which can optionally be provided with bristles 16. Openings are provided in the web 13 between the transverse webs 118, which correspond to corresponding openings 15 in the tubular section 14, so that, for example, warm air can escape from the winding body.
  • the longitudinal bar 106 has an approximately arrow-shaped shape, the arrowhead being connected to the transverse webs 118.
  • the longitudinal bar 106 is provided with slots 108, so that the edge region takes on an approximately comb-like shape.
  • the longitudinal bar 106 is positively guided in a recess 104 in the form of a longitudinal groove in the longitudinal bar 102 of an immediately adjacent web 13.
  • the longitudinal bar 106 plunges deeply into the longitudinal groove 104 of the longitudinal bar 102 when the smallest diameter of the winding body is set and partially projects into the openings between the transverse webs 118.
  • the slots 108 are now arranged on the longitudinal bar 106 such that they essentially correspond to the openings between the cross bars 118 and thus there is no noticeable increase in the flow resistance for small diameters of the winding body. If the diameter of the winding body is increased by rotating the adjusting means 23, the longitudinal bar 106 slides out of the recess 104 of the longitudinal bar 102 of an adjacent web 13 for the most part.
  • this exemplary embodiment of the winding former according to the invention also has a high stability against radial stresses.
  • the webs 13 are guided at least on both ends on inclined planes, which is made possible by the axially displaceability of the webs in connection with the three-dimensional guide curve 24 of the adjusting means 23.
  • one or more inclined planes can be provided on the tubular section 14 in the central region of the webs, as required.
  • this winding body also has a circumferential surface which is essentially circular for all winding diameters.
  • this winding body is characterized by its simple manufacture and is also well suited for use as a hot air brush.
  • the bristle axes 122 of the optionally provided bristles 16 have a slight deviation from the exact radial alignment according to FIG. 12, but this deviation of a few degrees is negligible for the practical use of such a winding body.
  • both embodiments of the winding body according to the invention have their own advantages, but in the event that the stability aspect of the winding body is in the foreground, the second embodiment is preferred, since it is readily possible to provide as many support surfaces as required in the central region of the webs 13 .

Landscapes

  • Hair Curling (AREA)
  • Brushes (AREA)

Claims (41)

  1. Rouleau pour le soin des cheveux comportant un élément support (80) sur lequel sont prévus des moyens de guidage de plusieurs barrettes (13) agencées autour d'un axe longitudinal médian (112) de l'élément support (80), les barrettes (13) étant susceptibles d'être mise dans différentes positions au moyen d'organes de positionnement (23), pour former un corps à diamètres extérieurs différents, caractérisé en ce que chaque barrette (13) présente un évidement (39, 104) sur l'extension de sa longueur, avec lequel les tronçons d'une barrette (13) voisine sont en liaison en coopération de formes dans chaque position des barrettes.
  2. Rouleau selon la revendication 1, caractérisé en ce que les barrettes (13) sont reçues dans des coussinets de pivotement (18, 19, 21 ; 12, 46) des deux côtés de l'élément support (80).
  3. Rouleau selon la revendication 2, caractérisé en ce qu'un coussinet de pivotement est réalisé sous forme d'une crapaudine ouverte, un tenon au moins (18, 19) des barrettes (13) étant monté sur un tronçon en forme de segment circulaire de l'élément support (80) ainsi que sur une paroi annulaire de l'organe de positionnement (23).
  4. Rouleau selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un axe de rotation (20) de la barrette (13) est agencé dans la région d'un tronçon d'extrémité de la barrette (13).
  5. Rouleau selon la revendication 4, caractérisé en ce que l'axe de rotation (20) est agencé radialement en décalage à l'extérieur du profil de la barrette (13).
  6. Rouleau selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce que chaque barrette (13) présente dans la région d'un tronçon médian (34), sur le bord, un tenon (25) qui s'engage dans une came respective (24) de l'organe de positionnement (23) qui est lui-même fixé en rotation sur l'élément support (80).
  7. Rouleau selon le préambule de la revendication 1 ou selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce que chaque barrette (13) est montée en déplacement axial d'une valeur (A) par rapport à l'axe longitudinal de l'élément support (80).
  8. Rouleau selon la revendication 7, caractérisé en ce que la barrette (13) est fixée en direction axiale sur l'organe de positionnement (23) par l'intermédiaire de moyens d'enclenchement (26, 27).
  9. Rouleau selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une rotation des barrettes (13) est susceptible d'être effectuée par le biais d'un déplacement axial et d'une rotation consécutive de l'organe de positionnement (23).
  10. Rouleau selon l'une quelconque des revendications 7 à 9, caractérisé en ce que l'organe de positionnement est prévu sur une extrémité de l'élément support (80) et en ce que des organes de soutien (29, 48) sont prévus sur l'autre extrémité de l'élément support (80) pour fixer radialement les barrettes (13).
  11. Rouleau selon la revendication 10, caractérisé en ce que les organes de soutien (29, 48) sont formés par une denture (29) s'étendant en direction radiale sur la barrette (13), ladite denture s'engageant dans un bord (48) d'une région tubulaire (49).
  12. Rouleau selon la revendication 1, caractérisé en ce que chaque barrette (13) est constituée par trois baguettes longitudinales (32, 34, 37) qui sont reliées les unes autres par des traverses (33, 51) et sont agencées sensiblement en forme d'arc les unes par rapport aux autres.
  13. Rouleau selon la revendication 2, caractérisé en ce que l'élément support (80) présente un tronçon (14) tubulaire avec des ouvertures (15) périphériques qui coopèrent avec des ouvertures formées entre les traverses (33, 51), dans le but de l'échappement de l'air.
  14. Rouleau selon l'une ou l'autre des revendications 12 et 13, caractérisé en ce que les traverses (51) sont pourvues de prolongements en forme de brosses.
  15. Rouleau selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une face extérieure (36) d'une baguette longitudinale (34) d'une barrette (13) présente un évidement (39) en forme d'arc, de telle sorte que dans chaque positionnement radial des barrettes (13), une arête, en particulier une arête antérieure (38) de la baguette longitudinale (37) d'une barrette (13) directement voisine présente une forme susceptible de coopérer avec l'évidement (39).
  16. Rouleau selon l'une quelconque des revendications 12 à 15, caractérisé en ce que la face inférieure (35) de l'une des baguettes longitudinales (34) est adaptée au profil de la face supérieure de l'autre baguette longitudinale (32).
  17. Rouleau selon l'une quelconque des revendications 12 à 16, caractérisé en ce qu'une arête longitudinale (41) de la baguette longitudinale (32) prend appui sur l'enveloppe extérieure du tronçon tubulaire (14) dans chaque positionnement des barrettes (13).
  18. Rouleau selon l'une quelconque des revendications précédentes, caractérisé en ce que sur l'élément support (80) sont montées au moins six barrettes (13) qui reposent les unes sur les autres à la manière d'un calice, et les baguettes longitudinales (32, 34, 37) de barrettes voisines respectives (13) ainsi que les ouvertures (15), dans le tronçon tubulaire (14) et dans la région des traverses (33, 51) de barrettes voisines (13), se recouvrent les unes au-dessus des autres, dans la position du plus petit diamètre.
  19. Rouleau selon l'une quelconque des revendications précédentes, caractérisé en ce que lorsque le diamètre du rouleau augmente, les baguettes longitudinales (32, 34, 47) viennent se mettre de plus en plus en regard des ouvertures (15) dans le tronçon tubulaire (14) de l'élément support (80).
  20. Rouleau selon l'une quelconque des revendications précédentes, caractérisé en ce que l'organe de réglage (23) présente des cames (24) à deux dimensions qui s'étendent en forme de spirale dans un plan perpendiculaire à l'axe longitudinal médian (112).
  21. Rouleau selon le préambule de la revendication 1, les barrettes (13) étant reçues dans des guides coulissants des deux côtés de l'élément support (80), caractérisé en ce que les barrettes (13), à la suite de l'actionnement d'un organe de réglage (23), sont guidées en coopération de formes tant en direction radiale qu'en direction axiale par rapport à l'axe médian longitudinal (112).
  22. Rouleau selon la revendication 21, caractérisé en ce que les guides coulissants sont réalisés sous forme de chambres (90, 92) dans lesquelles des tronçons des barrettes (13) sont guidés en coopération de formes.
  23. Rouleau selon l'une ou l'autre des revendications 21 et 22, caractérisé en ce que le guidage des barrettes (13) a lieu sous un angle aigu, en particulier un angle entre 10° et 80°, de préférence un angle d'environ 45° par rapport à l'axe médian longitudinal (112).
  24. Rouleau selon la revendication 23, caractérisé en ce que des deux côtés de l'élément support (80) sont formées des surfaces obliques (98) et des fonds (94) sur lesquels les surfaces de guidage (95, 97) des barrettes (13) prennent respectivement appui avec une obliquité correspondante.
  25. Rouleau selon l'une ou l'autre des revendications 23 et 24, caractérisé en ce que sur le tronçon tubulaire (14) de l'élément support (80) sont formées d'autres surfaces obliques (99) qui correspondent à des surfaces de guidage (96) des barrettes (13), qui présentent des formes correspondantes.
  26. Rouleau selon l'une quelconque des revendications 1, 21 à 25, caractérisé en ce que l'organe de réglage (23) présente des cames (24) en trois dimensions qui s'étendent en forme de spirale dans un plan perpendiculaire à l'axe longitudinal médian (112) et avec une pente en forme d'hélice par rapport à l'axe médian longitudinal, le rapport entre la pente de la spirale et la pente de l'hélice prenant en particulier des valeurs qui découlent de la tangente de l'angle du guidage des barrettes.
  27. Rouleau selon la revendication 26, caractérisé en ce que l'organe de réglage (23) présente du côté de la came un évidement (115) tronconique et prend un appui de surface en rotation sur des barrettes (110) de pente correspondante sur l'élément support (80).
  28. Rouleau selon la revendication 1, caractérisé en ce qu'à une extrémité des barrettes (13) sont formés des tenons (25) qui s'engagent dans une came (24) respective de l'élément support (23), les barrettes (13), à la suite de l'actionnement de l'organe de réglage (23), étant guidées en coopération de formes tant en direction radiale qu'en direction axiale par rapport à l'axe médian longitudinal (112).
  29. Rouleau selon la revendication 28, caractérisé en ce que de l'autre côté des barrettes (13), un toc (86) angulaire est formé dans la région des surfaces de guidage (97), ledit toc étant coiffé par un tronçon (88) de sorte que les barrettes (13) sont guidées en coopération de formes dans un canal (116).
  30. Rouleau selon l'une quelconque des revendications 1, 21 à 29, caractérisé en ce que chaque barrette est constituée par deux baguettes longitudinales (102, 106) qui sont reliées l'une à l'autre par des traverses (118).
  31. Rouleau selon la revendication 30, caractérisé en ce que l'élément support (80) présente un tronçon tubulaire (14) avec des ouvertures (15) périphériques qui coopèrent avec des ouvertures formées entre les traverses (118), dans le but de l'échappement de l'air.
  32. Rouleau selon l'une ou l'autre des revendications 30 et 31, caractérisé en ce que les traverses (118) sont pourvues de prolongements (16) en forme de brosses.
  33. Rouleau selon l'une quelconque des revendications 1, 21 à 32, caractérisé en ce qu'une baguette longitudinale (102) de la barrette (13) présente un évidement (104) en forme de gorge dans lequel au moins des tronçons de la baguette longitudinale (106) d'une barrette directement voisine s'engagent en coopération de formes, dans chaque positionnement radial des barrettes (13).
  34. Rouleau selon l'une quelconque des revendications 30 à 33, caractérisé en ce qu'une région de bord des baguettes longitudinales (106) présente des fentes (108) agencées à la manière d'un peigne, celles-ci correspondant aux ouvertures situées entre les traverses (118).
  35. Rouleau selon l'une quelconque des revendications 30 à 34, caractérisé en ce que la languette longitudinale (106) présente au moins dans un tronçon axial un évidement (96) en forme de gorge qui forme sur le fond un plan incliné et qui prend appui en coopération de formes sur une barrette formant respectivement un plan incliné ou une surface oblique correspondant sur l'élément support (80).
  36. Rouleau selon l'une quelconque des revendications précédentes, caractérisé en ce que l'organe de réglage est assuré par clipsage sur l'élément support (80) au moyen d'un capuchon (30) et de bras élastiques (31) formés sur celui-ci.
  37. Rouleau selon la revendication 36, caractérisé en ce qu'un évidement central du capuchon reçoit un bouton (30) qui provoque l'écartement d'un élément de ressort (53) qui s'engage dans une gorge annulaire d'une région en forme de champignon (52) de l'élément support (80).
  38. Rouleau selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est susceptible d'être utilisé comme bigoudi de diamètre à réglage variable.
  39. Rouleau selon l'une quelconque des revendications 1 à 37, caractérisé en ce qu'il est susceptible d'être utilisé comme brosse rapportée d'un appareil de soins des cheveux à air chaud, de diamètre à réglage variable, l'élément support (80) étant traversé par de l'air chaud.
  40. Rouleau selon l'une quelconque des revendications 1 à 37, caractérisé en ce qu'il est susceptible d'être utilisé comme tronçon d'un fer à friser électrique ou à gaz pour le soin des cheveux, de diamètre à réglage variable.
  41. Rouleau selon l'une des revendications 21 à 27, caractérisé en ce qu'à une extrémité des barrettes (13) sont formés des tenons (25) qui s'engagent dans une came (24) respective de l'organe de positionnement (23), les barrettes (13), à la suite de l'actionnement de l'organe de réglage (23), étant guidées en coopération de formes tant en direction radiale qu'en direction axiale par rapport à l'axe médian longitudinal (112).
EP92900111A 1991-02-14 1991-12-05 Appareil pour le soin des cheveux Expired - Lifetime EP0571389B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4104511A DE4104511C2 (de) 1991-02-14 1991-02-14 Haarpflegegerät
DE4104511 1991-02-14
PCT/DE1991/000948 WO1992014378A1 (fr) 1991-02-14 1991-12-05 Appareil pour le soin des cheveux

Publications (2)

Publication Number Publication Date
EP0571389A1 EP0571389A1 (fr) 1993-12-01
EP0571389B1 true EP0571389B1 (fr) 1996-06-12

Family

ID=6425049

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92900111A Expired - Lifetime EP0571389B1 (fr) 1991-02-14 1991-12-05 Appareil pour le soin des cheveux

Country Status (4)

Country Link
EP (1) EP0571389B1 (fr)
AT (1) ATE139089T1 (fr)
DE (1) DE4104511C2 (fr)
WO (1) WO1992014378A1 (fr)

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WO2013067058A1 (fr) * 2011-10-31 2013-05-10 Masood Habibi Mécanisme cylindrique à diamètre réglable
US10010148B2 (en) 2013-11-08 2018-07-03 Kiss Nail Products, Inc. Hair styling apparatuses and related methods

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USD430954S (en) 1998-11-20 2000-09-12 Calor S.A. Curling brush
US9648935B2 (en) 2013-11-08 2017-05-16 Kiss Nail Products, Inc. Hair curling devices and related systems and methods
GB2526768B (en) * 2014-03-20 2017-02-15 Dyson Technology Ltd Attachment for a hand held appliance
SG11201607212XA (en) 2014-03-20 2016-10-28 Dyson Technology Ltd Attachment for a hand held appliance
GB2526049B (en) 2014-03-20 2017-04-12 Dyson Technology Ltd Attachment for a hand held appliance
DE102014216495B4 (de) 2014-08-20 2018-03-22 BSH Hausgeräte GmbH Lockenwickelkörper
USRE48170E1 (en) 2015-01-15 2020-08-25 Kiss Nail Products, Inc. Hair styling apparatuses and related methods
US11457712B2 (en) 2015-12-28 2022-10-04 Kiss Nail Products, Inc. Hairstyling apparatuses and related methods
US11224274B2 (en) 2015-12-28 2022-01-18 Kiss Nail Products, Inc. Hairstyling apparatuses and related methods
RU2018136758A (ru) 2016-03-24 2020-04-24 Дайсон Текнолоджи Лимитед Насадка для ручного прибора
CN114747854A (zh) * 2022-04-21 2022-07-15 深圳市奋达科技股份有限公司 一种卷发器及其可调直径卷筒
CN115191735A (zh) * 2022-07-21 2022-10-18 时新(上海)产品设计有限公司 一种导风结构及包含其的头发造型设备

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US3583409A (en) * 1968-10-30 1971-06-08 Robert Rios Expansible and contractable hair curler
US3921648A (en) * 1975-01-02 1975-11-25 George Barradas Hair curling implement
DE2529026A1 (de) * 1975-06-28 1977-05-05 Otto Huebner Verstellbarer wickelkoerper fuer einen elektrischen dampffrisierstab
US4191200A (en) * 1978-03-09 1980-03-04 Renda Frank J Hair dressing comb
DE8535210U1 (de) * 1985-10-21 1987-01-15 Henkel KGaA, 4000 Düsseldorf Frisurenwickler

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013067058A1 (fr) * 2011-10-31 2013-05-10 Masood Habibi Mécanisme cylindrique à diamètre réglable
US10098433B2 (en) 2011-10-31 2018-10-16 Masood Habibi Adjustable diameter cylindrical mechanism
US10010148B2 (en) 2013-11-08 2018-07-03 Kiss Nail Products, Inc. Hair styling apparatuses and related methods
US10010147B2 (en) 2015-01-15 2018-07-03 Kiss Nail Products, Inc. Hair styling apparatuses and related methods

Also Published As

Publication number Publication date
DE4104511A1 (de) 1992-08-20
EP0571389A1 (fr) 1993-12-01
DE4104511C2 (de) 1999-09-23
ATE139089T1 (de) 1996-06-15
WO1992014378A1 (fr) 1992-09-03

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